单项选择题

The dentist has decided to extract her bad tooth.

A．take out
B．break off
C．push in
D．dig up
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单项选择题
When people become unemployed, it is loafing often worse than lack of wages.
A．laziness
B．poverty
C．idleness
D．inability
单项选择题
This table is strong and durable.
A．long-lasting
B．extensive
C．far-reaching
D．eternal
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